Don’t go to _____ places where there is no fresh air.
I walked as fast as I could, ________to catch the 930 train.
The dog has a(n) _______ sense of smell while the rabbit has a sharp sense of hearing.
-- How do you think I should respond to his words?--- You can do it ______ you like.
How he wishes he had a family _____ both his parents would treat him like a friend.
Before the opening ceremony of the supermarket, some workers are sent to _____ leaflets on the road.